Code Quality: Added .NET Framework TFMs to WPF projects (#84)

Author: Lamparter

eng/MultiTarget/Wpf/Head.props

@@ -1,8 +1,8 @@
 <Project>
 	<PropertyGroup>
-		<TargetFrameworks>net8.0-windows;net9.0-windows</TargetFrameworks>
+		<TargetFrameworks>net8.0-windows;net9.0-windows;net481;net462</TargetFrameworks>
 		<UseWPF>true</UseWPF>
-		<IsAotCompatible Condition="'$(TargetFramework)' != 'net462'">true</IsAotCompatible>
+		<IsAotCompatible Condition="'$(TargetFramework)' != 'net481' and '$(TargetFramework)' != 'net462'">true</IsAotCompatible>
 
 		<TargetPlatformVersion>10.0.22621.0</TargetPlatformVersion>
 		<TargetPlatformMinVersion>7.0</TargetPlatformMinVersion>